6 Best Alternatives to the ALLPOWERS 21W Foldable Solar Charger (2026)
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The ALLPOWERS 21W Foldable Solar Charger with Power Bank combines a 21W monocrystalline panel with a 10000mAh internal battery. This setup allows you to charge multiple devices simultaneously while storing energy for later use. If you are searching for allpowers 21w foldable solar charger alternatives, you may need a different form factor or voltage output. Some users prefer rigid panels for permanent installations, while others want lighter options for minimal backpacking weight. Others might require specific waterproof ratings for harsh marine environments.
We selected these alternatives because their specifications overlap with the original product in key areas like wattage, portability, or voltage compatibility. The list includes flexible options for hikers who prioritize low weight over battery storage. It also features specialized 12V panels for users who need to maintain boat or RV batteries rather than charge phones. Each choice addresses a specific gap in the original design, whether that is the lack of higher voltage, the absence of a built-in battery, or the need for ruggedized outdoor durability. You can compare these specs to find the right tool for your specific power needs.
How these alternatives compare
FlexSolar 10W Foldable Solar Charger
The FlexSolar 10W Foldable Solar Charger weighs 9.12 ounces, making it significantly lighter than the ALLPOWERS unit at 0.8kg. It outputs 10W of power, which is half the 21W rating of the original. This model lacks an internal battery, so it charges devices only when sunlight is direct. Its dimensions are 19.3 by 6.3 inches. You should choose this option if you prioritize minimal weight over charging speed and do not need to store energy for cloudy periods. It is ideal for lightweight backpacking where every ounce counts.
FlexSolar 15W Foldable Solar Panel
The FlexSolar 15W Foldable Solar Panel offers 15W of output, which is less than the ALLPOWERS 21W panel. It weighs 12.7 ounces, much lighter than the 0.8kg original. This panel has no built-in battery, meaning you must connect devices directly to it. It operates at 5V, matching the original system voltage. The design is compact and foldable. You should pick this alternative if you want a middle ground between the 10W and 21W models but still prefer a bare panel without the added bulk of a power bank for emergency storage.
SOLPERK 10W 12V Solar Panel Kit
The SOLPERK 10W 12V Solar Panel Kit operates at 12V, unlike the 5V system of the ALLPOWERS charger. It weighs 2.9 pounds, which is heavier than the portable original. This panel is designed for maintaining 12V batteries on boats or RVs rather than charging phones directly. It lacks USB ports for direct device charging. You should choose this kit if your goal is long-term battery maintenance for vehicles or marine applications. It is not suitable for hikers who need to charge small electronics on the go due to its voltage and weight differences.
EverExceed 5W 5V USB Solar Panel
The EverExceed 5W 5V USB Solar Panel provides only 5W of power, significantly less than the 21W original. It weighs 8.32 ounces, making it much lighter. This panel features an IP65 waterproof rating, which is superior to the IPX4 rating of the ALLPOWERS model. It is designed specifically for 5V battery-powered outdoor security cameras. You should select this option if you need a weather-resistant panel for stationary security equipment. It is not practical for general device charging due to its low wattage and lack of battery storage.
YCTechCam 5W USB-C Solar Panel
The YCTechCam 5W USB-C Solar Panel outputs 5W, which is less than the 21W capacity of the original. It weighs 7.84 ounces, offering better portability. This model features an IP65 waterproof rating, exceeding the IPX4 standard of the ALLPOWERS charger. It connects via USB-C, providing a modern interface. The panel is designed for battery-powered security cameras with USB-C input. You should choose this alternative if you are setting up a surveillance system. It is not ideal for charging phones or tablets due to its limited power output and specialized application.
ECO-WORTHY 10W Monocrystalline 12V Solar Panel
The ECO-WORTHY 10W Monocrystalline 12V Solar Panel operates at 12V, differing from the 5V output of the ALLPOWERS charger. It weighs 1.98 pounds, which is heavier than the original. This panel is built for marine environments, offering durability for boat use. It lacks USB ports for direct device charging. You should pick this panel if you need to maintain 12V batteries on a vessel. It is not suitable for hikers or campers who require 5V USB charging for phones and tablets, as it serves a completely different voltage and application niche.
Quick picks
Our 7 picks
ALLPOWERS 21W Foldable Solar Charger with Power Bank
Best for: charging phones and tablets on the go
- Rated Power
- 21W
- Conversion Efficiency
- Up to 23.5%
- Panel Type
- Foldable
- Cell Type
- Monocrystalline
- System Voltage
- 5V
- IP Rating
- IPX4
View on Amazon: ALLPOWERS 21W Foldable Solar Charger with Power Bank Affiliate link
The ALLPOWERS SP002 combines a 21W monocrystalline panel with a 10,000mAh internal battery. It converts up to 23.5% of sunlight into energy. You get three USB outputs and two inputs for charging multiple devices. The flexible PET material and IPX4 rating suit outdoor use. Its 0.8kg weight and included carabiners allow easy attachment to backpacks.
Pros
- 21W rated power with 23.5% conversion efficiency
- Built-in 10,000mAh battery for power storage
- Three USB outputs including 18W USB-C PD
- Lightweight 0.8kg design with IPX4 water resistance
- Monocrystalline cells for reliable energy generation
Cons
- 5V system voltage limits compatibility with 12V gear
- No AC inverter for standard household outlets
- 6-8 hour solar recharge time for the battery
Good fit if
- You need to charge phones and tablets while hiking
- You want to store solar energy for later use
- You prefer a lightweight panel that clips to gear
Skip if
- You require 12V DC output for RVs or boats
- You need to power high-wattage appliances
- You want fast wall charging for the internal battery
Verdict: ALLPOWERS 21W Portable Solar Charger with Battery is a compact power solution for hikers who need to keep small electronics running. It fits users who prioritize portability and battery storage over high-voltage output.
FlexSolar 10W Foldable Solar Charger
Best for: Lightweight backpacking and small device charging
- Rated Power
- 10W
- Conversion Efficiency
- 24%
- Panel Type
- Foldable
- Cell Type
- monocrystalline A+
- System Voltage
- 5V
- IP Rating
- IP67
View on Amazon: FlexSolar 10W Foldable Solar Charger Affiliate link
The FlexSolar 10W Foldable Solar Charger is a small, portable panel designed for direct device charging. It features a 5V USB-A port with 2A max output and a monocrystalline panel with 24% conversion efficiency. Weighing just 9.12 ounces, it folds to a compact size. The IP67 rating offers weather resistance, though the junction box is not waterproof. It suits hikers needing lightweight gear for phones and small power banks.
Pros
- Lightweight build at 9.12 ounces
- High 24% conversion efficiency
- IP67 weather resistance rating
- Compact folded size of 6.3 x 4.8 x 1 inch
Cons
- Low 10W power output limits charging speed
- Junction box is not waterproof
- No battery storage capacity
Good fit if
- You need a very lightweight panel for backpacking
- You want to charge small devices directly in sunlight
- You require weather-resistant gear for outdoor use
Skip if
- You need to charge high-power devices like laptops
- You require a waterproof junction box
- You want to store energy for later use
Verdict: FlexSolar 10W Foldable Solar Charger is a practical option for lightweight travel. It fits hikers who prioritize portability and basic phone charging over high power output.
FlexSolar 15W Foldable Solar Panel
Best for: lightweight 5V USB device charging
- Rated Power
- 15 W
- Conversion Efficiency
- Up to 24%
- Panel Type
- Foldable
- System Voltage
- 5V
- IP Rating
- IP67
- Weight
- 12.7 ounces
View on Amazon: FlexSolar 15W Foldable Solar Panel Affiliate link
This FlexSolar panel offers 15 watts of power at 5V with a maximum output of 3A. It features a 24% conversion efficiency and an IP67 waterproof rating for outdoor durability. The foldable design weighs 12.7 oz and includes carabiners for easy attachment to backpacks. It is suitable for charging 5V USB devices during hiking or camping. The smart chip helps maximize charging speed while protecting your electronics.
Pros
- 15W rated power with 24% conversion efficiency
- IP67 waterproof rating for weather resistance
- Foldable design weighs only 12.7 oz
- Includes carabiners for backpack attachment
Cons
- Lower 15W output compared to 21W alternatives
- Output port is not water-resistant
- No 12V charging capability for larger batteries
Good fit if
- You need a lightweight panel for backpacking
- You primarily charge 5V USB devices
- You want a compact solar charger for hiking
Skip if
- You require 12V charging for RV batteries
- You need higher than 15W power output
- You plan to submerge the panel in water
Verdict: FlexSolar 15W Foldable Solar Panel is a lightweight option for hikers who need to charge 5V devices on the go. It fits users prioritizing portability over maximum power output.
SOLPERK 10W 12V Solar Panel Kit
Best for: maintaining 12V batteries on boats or RVs
- Rated Power
- 10W
- System Voltage
- 12V
- Weight
- 2.9 lbs
- Application
- RV, Car, Marine
- Features
- Solar Charging
- Dimensions
- 13.8 × 11 × 0.98 inches
View on Amazon: SOLPERK 10W 12V Solar Panel Kit Affiliate link
The SOLPERK 10W 12V Solar Panel Kit is a durable option for maintaining 12V batteries like AGM, SLA, or LiFePO4. It weighs 2.9 pounds and measures 11 by 13.8 inches. The unit includes a built-in smart controller to prevent overcharging and a 360-degree adjustable bracket for flexible mounting. It features low-iron tempered glass and a corrosion-resistant aluminum frame for weather resistance.
Pros
- Built-in smart charge controller with indicator lights
- 360-degree adjustable mounting bracket included
- Durable low-iron tempered glass and aluminum frame
- Compatible with most 12V battery types
Cons
- Lower 10W output compared to 21W alternatives
- Fixed 12V system voltage limits versatility
- Uses alligator clips instead of standard connectors
Good fit if
- You need a rugged panel for outdoor equipment
- You require a built-in charge controller
- You want a bracket for secure mounting
Skip if
- You need high wattage for fast charging
- You require a 5V USB output for phones
- You prefer flexible foldable designs
Verdict: The SOLPERK 10W 12V Solar Panel Kit suits users who need a sturdy, weather-resistant panel for maintaining 12V batteries on boats or RVs rather than quick charging for small devices.
EverExceed 5W 5V USB Solar Panel
Best for: 5V battery-powered outdoor security cameras
- Rated Power
- 5 W
- Panel Type
- Flexible
- Cell Type
- Monocrystalline silicon
- System Voltage
- 5 V
- IP Rating
- IP65
- Weight
- 8.32 oz
View on Amazon: EverExceed 5W 5V USB Solar Panel Affiliate link
This EverExceed unit is a 5W monocrystalline silicon solar panel designed for DC 5V rechargeable battery cameras. It features an IP65 waterproof rating and operates between -4°F and 122°F. The package includes a 360° adjustable bracket and a 9.8ft cable for flexible positioning. It provides continuous energy during daylight hours. This panel suits users needing a dedicated power source for outdoor security cameras without frequent battery changes.
Pros
- IP65 waterproof rating for outdoor durability
- 9.8ft charging cable allows flexible placement
- 360° adjustable bracket for optimal sun angle
- Monocrystalline silicon panel for steady output
Cons
- Only 5W power output limits usage
- Not compatible with plug-in cameras
- Specifically designed for 5V battery cameras only
Good fit if
- You need a dedicated charger for a 5V battery-powered security camera
- You want a panel with a long 9.8ft cable for flexible mounting
- You require an IP65 waterproof rating for outdoor exposure
Skip if
- You use plug-in security cameras that do not accept USB charging
- You need to charge devices requiring more than 5V
- You are looking for a general-purpose portable solar charger for phones
Verdict: EverExceed 5W USB Solar Panel is a specialized tool for owners of 5V battery cameras. It delivers reliable daytime charging for compatible devices but offers no utility for other electronics.
YCTechCam 5W USB-C Solar Panel
Best for: battery-powered security cameras with USB-C
- Rated Power
- 5W
- Cell Type
- Monocrystalline
- System Voltage
- DC 5V
- IP Rating
- IP65
- Weight
- 7.84 oz
- Application
- Outdoor
View on Amazon: YCTechCam 5W USB-C Solar Panel Affiliate link
This YCTechCam panel delivers 5W of power at DC 5V via a USB-C port. It uses monocrystalline silicon cells for steady output. The unit weighs 7.84 oz and measures 6.5 by 7.28 inches. An IP65 rating ensures it handles rain and snow. It includes a 360-degree adjustable wall bracket for outdoor mounting. This setup suits users needing a dedicated power source for compatible security cameras.
Pros
- 5W monocrystalline silicon output
- USB-C port for modern devices
- IP65 waterproof rating for outdoor use
- Includes 360-degree adjustable wall bracket
Cons
- Only 5W rated power
- Fixed DC 5V system voltage
- Not compatible with plug-in cameras without batteries
Good fit if
- You need a dedicated charger for a rechargeable security camera
- You prefer a USB-C connection for your device
- You want a lightweight panel that mounts easily outdoors
Skip if
- You require high wattage for charging laptops or phones
- You own a Ring, Arlo, or Blink camera
- You need a portable panel for hiking or camping
Verdict: YCTechCam 5W USB-C Solar Panel is a niche tool for specific surveillance setups. It fits users who need a small, weatherproof panel for a battery-powered camera that accepts USB-C input.
ECO-WORTHY 10W Monocrystalline 12V Solar Panel
Best for: marine 12V battery maintenance
- Rated Power
- 10W
- Cell Type
- Monocrystalline
- System Voltage
- 12V
- Weight
- 1.98 pounds
- Application
- Marine
- Dimensions
- 13.3 × 8.1 × 0.7 inches
View on Amazon: ECO-WORTHY 10W Monocrystalline 12V Solar Panel Affiliate link
This ECO-WORTHY panel delivers 10 watts of power using monocrystalline cells. It is designed specifically for 12V battery systems, making it ideal for marine applications. The unit weighs just 1.98 pounds and measures 13.3 by 8.1 inches. It includes a 3.28 ft extension cable and features a waterproof junction box. This compact charger suits users needing reliable, lightweight power for boats or small 12V setups.
Pros
- Monocrystalline cells provide efficient 10W output
- Lightweight 1.98 lb build for portability
- Waterproof junction box ensures durability
- Includes 3.28 ft extension cable
Cons
- Fixed 12V system limits compatibility
- Lower 10W output reduces charging speed
- Non-foldable design requires flat mounting space
Good fit if
- You need a dedicated 12V marine charger
- You require a lightweight, durable panel
- You have a flat mounting surface available
Skip if
- You need a 5V USB charging option
- You require a foldable design for travel
- You want a higher wattage output
Verdict: ECO-WORTHY 10W 12V Marine Solar Panel is a sturdy, lightweight option for maintaining 12V batteries on boats. It fits users who prioritize durability and specific voltage compatibility over portability and versatility.
Specifications side by side
| Spec | ALLPOWERS 21W Foldable Solar Charger with Power Bank | FlexSolar 10W Foldable Solar Charger | FlexSolar 15W Foldable Solar Panel | SOLPERK 10W 12V Solar Panel Kit | EverExceed 5W 5V USB Solar Panel | YCTechCam 5W USB-C Solar Panel | ECO-WORTHY 10W Monocrystalline 12V Solar Panel |
|---|---|---|---|---|---|---|---|
| Rated Power | 21W | 10W | 15 W | 10W | 5 W | 5W | 10W |
| Conversion Efficiency | Up to 23.5% | 24% | Up to 24% | not stated | not stated | not stated | not stated |
| Panel Type | Foldable | Foldable | Foldable | not stated | Flexible | not stated | not stated |
| Cell Type | Monocrystalline | monocrystalline A+ | not stated | not stated | Monocrystalline silicon | Monocrystalline | Monocrystalline |
| System Voltage | 5V | 5V | 5V | 12V | 5 V | DC 5V | 12V |
| IP Rating | IPX4 | IP67 | IP67 | not stated | IP65 | IP65 | not stated |
| Weight | 0.8kg | 9.12 ounces | 12.7 ounces | 2.9 lbs | 8.32 oz | 7.84 oz | 1.98 pounds |
| Wattage | not stated | not stated | 15W | not stated | not stated | not stated | not stated |
| Application | Camping, Outdoor | Camping, Emergency, Hiking | Camping, Hiking | RV, Car, Marine | Outdoor | Outdoor | Marine |
| Features | Solar Charging | not stated | Solar Charging | Solar Charging | not stated | Solar Charging | not stated |
| Voltage | 5V | 5V | 5V | 12V | 5V | 5V | 12V |
| Output Ports | not stated | not stated | not stated | not stated | not stated | USB-C | not stated |
| Compatible Devices | Tablets | not stated | Tablets | not stated | not stated | not stated | not stated |
| Water Resistance | not stated | Waterproof | not stated | not stated | Waterproof | Waterproof | not stated |
| Dimensions | 13.4 × 7.09 × 0.79 inches | 6.3 × 0.51 × 19.3 inches | 1 × 1 × 1 inches | 13.8 × 11 × 0.98 inches | 7.4 × 5.4 × 1.9 inches | 7.28 × 6.5 × 0.59 inches | 13.3 × 8.1 × 0.7 inches |
| Color | 21W-Flexible Solar Panel-SP-002 | Gray & Orange | 15W | Black | not stated | not stated | blue-black |
| Model | SP002 | LY-E10mini-US | E15 | SOLPERK | YXN-SP-L50 | SP-L50 | EW-SP10-12V-1 |
| Size | not stated | Small | not stated | 10W MPPT Kit | 1 Pack | Pack of 1 | 10W Panel |
Frequently asked questions
Which solar charger is best for lightweight backpacking?
The FlexSolar 10W Foldable Solar Charger is the top choice for hikers who prioritize weight savings. It weighs only 9.12 ounces and measures 19.3 inches by 6.3 inches when unfolded. This compact size fits easily into a backpack for day trips or short hikes where carrying extra weight is a concern.
Can I use these panels to charge 12V marine batteries?
Yes, if you need to maintain 12V batteries on boats or RVs, consider the SOLPERK 10W 12V Solar Panel Kit or the ECO-WORTHY 10W Monocrystalline 12V Solar Panel. Both are designed for 12V systems and offer sturdy construction. They are not intended for quick charging small electronics like phones.
Are there waterproof options for outdoor security cameras?
The EverExceed 5W 5V USB Solar Panel and the YCTechCam 5W USB-C Solar Panel are both IP65 rated and waterproof. They are specialized tools designed specifically for battery-powered outdoor security cameras. The YCTechCam model features a USB-C output, while the EverExceed uses standard USB.
What is the most budget-friendly alternative available?
The FlexSolar 15W Foldable Solar Panel is marked as the best budget option. It weighs 12.7 ounces and provides 15W of power at 5V. This model is suitable for users who need to charge 5V devices on the go without spending more on higher-wattage or feature-rich units.
Does the top pick include a built-in battery?
Yes, the ALLPOWERS 21W Foldable Solar Charger with Power Bank includes an internal battery. This allows you to store energy generated by the panel for later use. Other options, like the FlexSolar 10W, lack internal batteries and require direct sunlight to charge devices immediately.
Which panel is best for maintaining boat batteries?
The ECO-WORTHY 10W Monocrystalline 12V Solar Panel is best for marine applications. It is lightweight at 1.98 pounds and designed for 12V battery maintenance on boats. It prioritizes durability and specific voltage compatibility over the portability and versatility found in smaller phone-charging panels.
Is there a USB-C option for small devices?
The YCTechCam 5W USB-C Solar Panel offers a USB-C output port. It is a niche tool for specific surveillance setups or devices that accept USB-C input. It weighs 7.84 ounces and is waterproof, making it suitable for outdoor use with compatible electronics.